chore: don't use ./ when generating sass files (#1513)
chore: don't use ./ when generating sass files (#1513)

The `./` prefix is unnecessary.

See: https://github.com/resin-io/etcher/pull/1505#pullrequestreview-43444274
Signed-off-by: Juan Cruz Viotti <ee759b1936af4d7bd0d0e5363e6b1ea438e6a390@jviotti.com>
resin-io/resin-etcher,resin-io/etcher,resin-io/resin-etcher,resin-io/etcher,resin-io/herostratus,resin-io/herostratus,resin-io/etcher,resin-io/etcher,resin-io/etcher